142253252 has 12 divisors (see below), whose sum is σ = 259766976. Its totient is φ = 68034120.

The previous prime is 142253249. The next prime is 142253273. The reversal of 142253252 is 252352241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773024 + ... + 773207.

It is an arithmetic number, because the mean of its divisors is an integer number (21647248).

Almost surely, 2^142253252 is an apocalyptic number.

It is an amenable number.

142253252 is a deficient number, since it is larger than the sum of its proper divisors (117513724).

142253252 is a wasteful number, since it uses less digits than its factorization.

142253252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546258 (or 1546256 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 142253252 is about 11926.9967720294. The cubic root of 142253252 is about 522.0203111057.

The spelling of 142253252 in words is "one hundred forty-two million, two hundred fifty-three thousand, two hundred fifty-two".